DieselJD

For anyone travelling the same path…

Tested injector out of the cylinder and achieved a good fine mist, with what appears to be a fair level of control as the rack is gently moved…a few mm make a notable difference.

I placed a tie-wrap around the governor bob weights, re-assembled and fired up. We could then play with the throttle and rack…[Read more]

Excellent idea…I’ll try that as soon as I can get another pair of hands on the crank.

Thanks, that is a valid point. Being two stroke, it uses the crankcase pressure as part of the cycle and maybe I should double check the flapper valve. There must also be a link between the rear crank chamber and the front gearpump chamber for oil movement.

I have double checked the fuel pump ‘spill angle’ It was at 25 degrees BTDC, now…[Read more]